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Kobotan [32]
3 years ago
8

Un barco va a una velocidad de 45 ml/h, luego el capitán ordena acelerar hasta que la velocidad hasta que la velocidad sea de 60

mll/h. si la operación dura 30 minutos​
Physics
1 answer:
Sophie [7]3 years ago
4 0

Pregunta completa:

Un barco va a una velocidad de 45 ml/h, luego el capitán ordena acelerar hasta que la velocidad hasta que la velocidad sea de 60 mll/h. si la operación dura 30 minutos.

A cual fue la aceleracion?

B qué distancia recorre?

Responder:

30 millas / hora

26.25 mi

Explicación:

Dado que :

Velocidad inicial, u = 45 mi / hr

Velocidad final, v = 60 mi / hr

Tiempo, t = 30 minutos = 30/60 = 0,5 h

Aceleración, a = cambio de velocidad con el tiempo;

a = (v - u) / t

a = (60 - 45) / 0,5

a = 15 / 0,5

a = 30 millas / h²

Recorrido de distancia, S

S = ut + 0.5at²

S = 45 (0,5) + 0,5 (30) (0,5²)

S = 22,5 + 3,75

S = 26,25 millas

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